Performance Tuning Options - Hitachi CB 520H A1 User Manual

LPAR manager firmware
HvmSh
Specifying DNS settings
You can use the operations below to specify DNS settings.
DNS settings
Settings for system
configuration information (DNS
server)
Tip:
• DNS suffixes are not supported. Specify host names by using fully
qualified domain names (FQDN).

Performance tuning options

Note:
• Make sure to keep the parameter "Performance tuning options" disabled
on your environment. The feature "Performance tuning options" allows
LPARs to perform more efficiently on only environments that meet certain
hardware and setting conditions, such as the UCP solution environment of
Hitachi Data Systems Corporation and others.
By enabling the parameter "performance tuning options", you can use the
options listed in the table below.
Option
Guest Idle
Mode
Low Latency
EPT 1GB
Performance tuning options have the following characteristics:
Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide
Item
Table 2-11 Web console
Item
Resources > Modules > All Modules > Server Blades >
Server Blades x > LPAR > Edit > DNS settings
Table 2-12 HVM management command (HvmSh)
Item
opr SystemConfigDNS
Indicates a mode to process instructions when logical processors are idle.
Indicates a method in which logical processors work in I/O access.
Indicates the size of a memory unit for memory control and operation.
System Operation
02-40 or later
9.00 or later
Operation
Command name
Description
Version
2-21